 Pieternella Tjietsche van SonBorn 11-3-1903 Bremerhaven, Germany Married + 3 children to:  Philip Cavalje - SandersBorn 3- mar 1887 Amsterdam, Netherland. Occupation: Pianist, 1st marriage to: Eva Blanes - Kinsbergen, 2nd marriage to: Pieternella Tjietsche van Son. Son of Barend Cavalje - Blitz and Branke Sanders - van Slochem | |||